CMSCOPE changed

1 files changed, 119 insertions, 0 deletions

diff --git a/m4/relocatable.m4 b/m4/relocatable.m4
new file mode 100755
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+# relocatable.m4 serial 7 (gettext-0.16)
+dnl Copyright (C) 2003, 2005-2006 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+dnl From Bruno Haible.
+
+dnl Support for relocateble programs.
+AC_DEFUN([AC_RELOCATABLE],
+[
+  AC_REQUIRE([AC_RELOCATABLE_BODY])
+  if test $RELOCATABLE = yes; then
+    AC_LIBOBJ([relocatable])
+  fi
+])
+dnl The guts of AC_RELOCATABLE. Needs to be expanded only once.
+AC_DEFUN([AC_RELOCATABLE_BODY],
+[
+  AC_REQUIRE([AC_PROG_INSTALL])
+  dnl This AC_BEFORE invocation leads to unjustified autoconf warnings
+  dnl when AC_RELOCATABLE_BODY is invoked more than once.
+  dnl We need this AC_BEFORE because AC_PROG_INSTALL is documented to
+  dnl overwrite earlier settings of INSTALL and INSTALL_PROGRAM (even
+  dnl though in autoconf-2.52..2.60 it doesn't do so), but we want this
+  dnl macro's setting of INSTALL_PROGRAM to persist.
+  AC_BEFORE([AC_PROG_INSTALL],[AC_RELOCATABLE_BODY])
+  AC_REQUIRE([AC_LIB_LIBPATH])
+  AC_REQUIRE([AC_RELOCATABLE_LIBRARY])
+  AC_REQUIRE([AC_EXEEXT])
+  is_noop=no
+  use_elf_origin_trick=no
+  if test $RELOCATABLE = yes; then
+    # --enable-relocatable implies --disable-rpath
+    enable_rpath=no
+    AC_DEFINE([ENABLE_RELOCATABLE], 1,
+      [Define to 1 if the package shall run at any location in the filesystem.])
+    AC_CHECK_HEADERS([unistd.h mach-o/dyld.h])
+    AC_CHECK_FUNCS([_NSGetExecutablePath])
+    case "$host_os" in
+      mingw*) is_noop=yes ;;
+      linux*) use_elf_origin_trick=yes ;;
+    esac
+    if test $is_noop = yes; then
+      SET_RELOCATABLE="RELOCATABLE_LDFLAGS = :"
+    else
+      if test $use_elf_origin_trick = yes; then
+        dnl Use the dynamic linker's support for relocatable programs.
+        case "$ac_aux_dir" in
+          /*) reloc_ldflags="$ac_aux_dir/reloc-ldflags" ;;
+          *) reloc_ldflags="\$(top_builddir)/$ac_aux_dir/reloc-ldflags" ;;
+        esac
+        SET_RELOCATABLE="RELOCATABLE_LDFLAGS = \"$reloc_ldflags\" \"\$(host)\" \"\$(RELOCATABLE_LIBRARY_PATH)\""
+      else
+        dnl Unfortunately we cannot define INSTALL_PROGRAM to a command
+        dnl consisting of more than one word - libtool doesn't support this.
+        dnl So we abuse the INSTALL_PROGRAM_ENV hook, originally meant for the
+        dnl 'install-strip' target.
+        SET_RELOCATABLE="INSTALL_PROGRAM_ENV = RELOC_LIBRARY_PATH_VAR=\"$shlibpath_var\" RELOC_LIBRARY_PATH_VALUE=\"\$(RELOCATABLE_LIBRARY_PATH)\" RELOC_PREFIX=\"\$(prefix)\" RELOC_COMPILE_COMMAND=\"\$(CC) \$(CPPFLAGS) \$(CFLAGS) \$(LDFLAGS)\" RELOC_SRCDIR=\"\$(RELOCATABLE_SRC_DIR)\" RELOC_BUILDDIR=\"\$(RELOCATABLE_BUILD_DIR)\" RELOC_CONFIG_H_DIR=\"\$(RELOCATABLE_CONFIG_H_DIR)\" RELOC_EXEEXT=\"\$(EXEEXT)\" RELOC_INSTALL_PROG=\"$INSTALL_PROGRAM\""
+        case "$ac_aux_dir" in
+          /*) INSTALL_PROGRAM="$ac_aux_dir/install-reloc" ;;
+          *) INSTALL_PROGRAM="\$(top_builddir)/$ac_aux_dir/install-reloc" ;;
+        esac
+      fi
+    fi
+  else
+    SET_RELOCATABLE=
+  fi
+  AC_SUBST([SET_RELOCATABLE])
+  AM_CONDITIONAL([RELOCATABLE_VIA_LD],
+    [test $is_noop = yes || test $use_elf_origin_trick = yes])
+])
+
+dnl Support for relocatable libraries.
+AC_DEFUN([AC_RELOCATABLE_LIBRARY],
+[
+  AC_REQUIRE([AC_RELOCATABLE_NOP])
+  dnl Easier to put this here once, instead of into the DEFS of each Makefile.
+  if test "X$prefix" = "XNONE"; then
+    reloc_final_prefix="$ac_default_prefix"
+  else
+    reloc_final_prefix="$prefix"
+  fi
+  AC_DEFINE_UNQUOTED([INSTALLPREFIX], ["${reloc_final_prefix}"],
+    [Define to the value of ${prefix}, as a string.])
+])
+
+dnl Support for relocatable packages for which it is a nop.
+AC_DEFUN([AC_RELOCATABLE_NOP],
+[
+  AC_MSG_CHECKING([whether to activate relocatable installation])
+  AC_ARG_ENABLE(relocatable,
+    [  --enable-relocatable    install a package that can be moved in the filesystem],
+    [if test "$enableval" != no; then
+       RELOCATABLE=yes
+     else
+       RELOCATABLE=no
+     fi
+    ], RELOCATABLE=no)
+  AC_SUBST(RELOCATABLE)
+  AC_MSG_RESULT([$RELOCATABLE])
+])
+
+dnl Determine the platform dependent parameters needed to use relocatability:
+dnl shlibpath_var.
+AC_DEFUN([AC_LIB_LIBPATH],
+[
+  AC_REQUIRE([AC_LIB_PROG_LD])            dnl we use $LD
+  AC_REQUIRE([AC_CANONICAL_HOST])         dnl we use $host
+  AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT]) dnl we use $ac_aux_dir
+  AC_CACHE_CHECK([for shared library path variable], acl_cv_libpath, [
+    LD="$LD" \
+    ${CONFIG_SHELL-/bin/sh} "$ac_aux_dir/config.libpath" "$host" > conftest.sh
+    . ./conftest.sh
+    rm -f ./conftest.sh
+    acl_cv_libpath=${acl_cv_shlibpath_var:-none}
+  ])
+  shlibpath_var="$acl_cv_shlibpath_var"
+])